She had three daughters, all ______ became nurses.A、of whichB、of whomC、whichD

游客2023-09-27 62

问题 She had three daughters, all ______ became nurses.

选项 A、of which
B、of whom
C、which
D、who

答案 B

解析非限定性定语从句，介词后面用whom或which，此处指人，用whom。

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